MaterialDesignFlowDocument style missing?

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**Is your feature request related to a problem? Please describe.**
In order to get better performance compared to RichTextBox, I display a FlowDocumentScrollViewer with a binding to a FlowDocument of the ViewModel.
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**Describe the solution you'd like**
I'd like a simple:
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**Describe alternatives you've considered**
Here is the extension method dealing manually with style..
```
public static void AppendLogEvents(this FlowDocument flowDocument, IList logEvents)
{
var lastParagraph = flowDocument.Blocks.LastBlock as Paragraph;
if (lastParagraph == null)
{
lastParagraph = new Paragraph();
flowDocument.Blocks.Add(lastParagraph);
}

// Create a new style based on the MaterialDesignTextBoxBase style
var spanStyle = new Style(typeof(Span));
//spanStyle.BasedOn = (Style)Application.Current.Resources["MaterialDesignTextBoxBase"];
//spanStyle.Setters.Add(new Setter(TextElement.FontSizeProperty, 7.0));

var materialDesignSourceStyle = (Style)Application.Current.Resources["MaterialDesignWindow"]; //MaterialDesignTextBlock
var materialDesignSourceStyle2 = (Style)Application.Current.Resources[typeof(MaterialDesignExtensions.Controls.MaterialWindow)];
// Transfer all properties to spanStyle
foreach (Setter setter in materialDesignSourceStyle.Setters.Union(materialDesignSourceStyle2.Setters))
spanStyle.Setters.Add(new Setter(setter.Property, setter.Value));

foreach (var logEvent in logEvents)
{
// Render log message with a template
var renderedMessage = logEvent.RenderMessage();
var span = new Span(new Run(renderedMessage));
span.Style = spanStyle; // Apply the new style to the Span
if (logEvent.Level == LogEventLevel.Warning)
span.Foreground = Brushes.Orange;
else if (logEvent.Level == LogEventLevel.Error || logEvent.Level == LogEventLevel.Fatal)
span.Foreground = Brushes.Red;
else { } //NTD, will let light/dark mode fontcolor
lastParagraph.Inlines.Add(span);
lastParagraph.Inlines.Add(Environment.NewLine);
}
}
```

**Additional context**
Add any other context or screenshots about the feature request here.

Any thing I missed?
Feel free to recommend another approach!

Regards,

Beginne mit dem FlowDocumentScrollViewer-Beispiel und untersuche die vorhandenen MaterialDesignWindow- und MaterialDesignTextBoxBase-Ressourcen, die in der Erweiterungsmethode des Issues verwendet werden. Ermittle, wo ein FlowDocumentScrollViewer-Stil hingehört, und überprüfe, dass das Beispiel auf MaterialDesignFlowDocument verweisen kann, während die erwarteten Theme-Farben und die Textformatierung beibehalten werden.

Vom Indexierungsmodell aus dem Issue-Text verfasst.